CN209892142U

CN209892142U - Oil recovery sealing equipment

Info

Publication number: CN209892142U
Application number: CN201920307158.1U
Authority: CN
Inventors: 颉宗欣
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-10
Filing date: 2019-03-10
Publication date: 2020-01-03
Anticipated expiration: 2029-03-10

Abstract

The utility model relates to an oil extraction sealing device, which comprises an upper sleeve, an outer pipe, a sealing inner pipe, a limiting pipe, a lower sleeve, a pumping pipe, a buffer component, a position blocking ring, a sealing sheet and a supporting device, the upper opening and the lower opening of the sealing inner pipe are the same, the wall plate is provided with a sealing sheet, the surface of the sealing inner pipe is correspondingly embedded and connected with the outer pipe, the utility model is additionally provided with a support after the original structure of the improved equipment, the butt joint rod falls down and simultaneously drives the movable contraction rod to move downwards linearly, the mounting rod taking the linkage valve as a connecting structure moves downwards for a certain distance synchronously with the cross rod to force the movable contraction rod to be clamped on the sealing sheet, the butt joint rod has a supporting function, the mounting stability of parts is effectively improved, the linkage valve is taken as a bottom butt joint supporting piece, therefore, the self-limiting positioning seat has a self-limiting function, the elastic sheet in the inner groove of the positioning seat moves downwards from the upper space, the flow of the liquid in the positioning seat can be driven, the self-lubricating performance is realized, and the moving property of the part is effectively improved.

Description

Oil recovery sealing equipment

Technical Field

The utility model relates to an oil development equipment technical field, concretely relates to oil recovery sealing equipment.

Background

With the increasing demand for energy, oil extraction has become an important approach to energy supply. The wellhead device is important equipment for ensuring normal production of an oil well.

The prior art discloses the application numbers as follows: the CN201520233963.6 oil extraction sealing device comprises an outer sleeve, an upper joint, a lower joint, a connecting sleeve, a multi-stage sealing ring, an upper limit ring, a lower limit ring, an upward moving buffer mechanism, a lower sleeve, an upper sleeve, two sealing sleeve rings, an inner sleeve and a downward moving buffer mechanism; the upper joint is connected to the upper end of the outer sleeve, the lower joint is connected to the lower end of the outer sleeve, the connecting sleeve is sleeved on the outer sleeve, the inner sleeve is arranged in the outer sleeve, the inner sleeve is inserted into the upper sleeve and the lower sleeve through the sealing sleeve ring, the multistage sealing ring is sleeved between the inner sleeve and the outer sleeve, the upper limiting ring and the lower limiting ring are arranged in the outer sleeve, the upper shifting buffer mechanism and the lower shifting buffer mechanism are arranged in the inner sleeve, and a plurality of through holes are uniformly distributed in the upper shifting buffer mechanism and the lower shifting. The utility model discloses can keep higher axiality and leakproofness, can play certain restriction and cushioning effect to the flow speed of crude oil, make the staff have time to adjust and stop the operation of exploitation, the safety in utilization is high. But the disadvantages are that the butt joint structure of the equipment parts is correspondingly inosculated, the friction of the sealing lantern ring is frequent during operation, and the tightness is easy to reduce under the applied pressure.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes at least a defect among the prior art, provides an oil recovery sealing equipment to solve this equipment part butt joint structure and correspond coincideing, the sealed lantern ring rubs comparatively frequently when the operation, applys the problem that reduces the compactness easily under the pressure.

In order to realize the technical scheme, the utility model discloses a following technical scheme: an oil extraction sealing device comprises an upper sleeve, an outer pipe, a sealing inner pipe, a limiting pipe, a lower sleeve, a pumping pipe, a buffer component, a position blocking ring, a sealing sheet and a support, wherein the upper opening and the lower opening of the sealing inner pipe are the same, the sealing sheet is arranged on a wall plate, the surface of the sealing inner pipe is correspondingly embedded and connected with the outer pipe, the upper sleeve is arranged at the position of the opening end of the sealing inner pipe, the inner edge of the upper sleeve is butted with the opening at the top of the outer pipe, the pumping pipe which is vertically arranged is arranged in the sealing inner pipe, the buffer component capable of contacting the surface of the pumping pipe is arranged on the outer; the support comprises butt joint rods, movable telescopic rods, mounting rods, positioning seats, elastic pieces, linkage valves and transverse rods, wherein the butt joint rods are arranged at the left front ends of the positioning seats, the movable telescopic rods capable of moving up and down are arranged on the positioning seats, the linkage valves are clamped on the movable telescopic rods, the linkage valves are assembled and connected with the mounting rods, the elastic pieces fixedly connected are arranged on the mounting rods, the elastic pieces are arranged in the inner grooves of the positioning seats, the transverse rods mounted through the linkage valves are arranged in the positioning seats, the transverse rods are embedded in the movable telescopic rods, and the movable telescopic rods can be clamped with the sealing pieces when moving downwards.

Furthermore, the bottom side of the position blocking ring is provided with a movably connected buffer member.

Furthermore, a limiting pipe with an unchanged installation position is arranged below the outer pipe at an interval.

Further, the lower sleeve is installed on the butt joint section of the sealed inner pipe.

Further, the buffer member is installed in a space of an inner cavity formed by the lower sleeve.

Furthermore, the inner cavity of the limiting pipe is provided with a position blocking ring arranged around the wall plate of the limiting pipe.

Furthermore, oil liquid is filled in the gap of the positioning seat.

Furthermore, the movable telescopic rod is driven to descend while the butt joint rod moves downwards.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an oil recovery sealing equipment, the eyelidretractor has been add behind the original structure of improve equipment, it moves the draw back pole straight line and moves down to drive when the butt joint pole whereabouts, the installation pole that uses the linked valve as connection structure moves the certain distance down with the horizontal pole is synchronous, force to move the draw back pole card on the sealing strip, support function has, effectively improve the installation stability of part, with the linked valve as bottom butt joint support piece, thereby have from the limit function, the flexure strip in the positioning seat inside groove moves down from the upper portion space, can drive the flow of inside liquid, self-lubricating performance has, effectively improve the mobility of part.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an oil recovery sealing device according to the present invention;

fig. 2 is a schematic front view of the support assembly structure of the present invention.

In the figure: the device comprises an upper sleeve-1, an outer tube-2, a sealed inner tube-3, a limiting tube-4, a lower sleeve-5, a pumping tube-6, a buffer component-7, a butt joint rod-1001, a dynamic shrinkage rod-1002, an installation rod-1003, a positioning seat-1004, an elastic sheet-1005, a linkage valve-1006, a cross rod-1007, a position blocking ring-8, a sealing sheet-9 and a support-10.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-2, the structure of the oil extraction sealing device of the present invention includes an upper casing 1, an outer casing 2, a sealing inner casing 3, a limiting casing 4, a lower casing 5, a pumping casing 6, a buffering member 7, a stopping ring 8, a sealing sheet 9, and a support 10, wherein the sealing sheets 9 are disposed between the upper and lower openings of the sealing inner casing 3, the surface of the sealing inner casing 3 is correspondingly embedded with the outer casing 2, the upper casing 1 is disposed at the opening end of the sealing inner casing 3, the upper casing 1 is open at the top of the abutting outer casing 2, the pumping casing 6 is vertically disposed inside the sealing inner casing 3, the buffering member 7 capable of contacting the surface of the pumping casing 6 is disposed outside the pumping casing 6, and the support 10 is disposed at the top of the sealing inner casing 3; the supporting device 10 comprises a butt joint rod 1001, a movable telescopic rod 1002, a mounting rod 1003, a positioning seat 1004, an elastic sheet 1005, a linkage valve 1006 and a cross rod 1007, wherein the butt joint rod 1001 is arranged at the left front end of the positioning seat 1004, the positioning seat 1004 is provided with the movable telescopic rod 1002 capable of moving up and down, the linkage valve 1006 is clamped and connected with the linkage valve 1006, the linkage valve 1006 is assembled and connected with the mounting rod 1003, the mounting rod 1003 is provided with the elastic sheet 1005 fixedly connected, the elastic sheet 1005 is arranged in an inner groove of the positioning seat 1004, the positioning seat 1004 is internally provided with the cross rod 1007 arranged through the linkage valve 1006, the cross rod 1007 is embedded and connected with the movable telescopic rod 1002, the movable telescopic rod 1002 can be clamped and connected with a sealing sheet 9 when moving down, the bottom side of the blocking ring 8 is provided with a movably connected buffer member 7, spacing tubes 4 with unchanged mounting positions are arranged below the outer tube 2, the buffer component 7 is arranged in the inner cavity space formed by the lower sleeve 5, and the inner cavity of the limiting pipe 4 is provided with a position-blocking ring 8 arranged around the wall plate of the limiting pipe.

The movable telescopic rod 1002 is a telescopic solid cylindrical rod made of metal strips, oil is used as a buffer body, and the linkage valve 1006 is used as a bottom butt joint supporting piece, so that the self-limiting function is achieved.

When using, the eyelidretractor 10 has been add behind the original structure of improved equipment, it moves the telescopic link 1002 straight line and moves down to drive when butt joint pole 1001 falls, the installation pole 1003 that uses the linked structure with horizontal pole 1007 synchronous certain distance that moves down to the universal driving linkage 1006, force to move telescopic link 1002 card on the gasket 9, support function has, effectively improve the installation stability of part, use the universal driving linkage 1006 as bottom butt joint support, thereby have from limit function, the flexure 1005 in the positioning seat 1004 inside groove moves down from upper space, can drive the flow of inside liquid, self-lubricating performance has, effectively improve the mobility of part.

The utility model provides a problem be that this equipment part butt joint structure corresponds coincide, and the sealed lantern ring rubs comparatively frequently when the operation, reduces the compactness easily under applying pressure, the utility model discloses a combination of each other of above-mentioned part has support function, effectively improves the installation stability of part, and inside liquid flows, has self-lubricating performance, effectively improves the mobility of part, specifically as follows: butt joint pole 1001 is installed on positioning seat 1004 front left end position, be equipped with the flexible pole 1002 that moves that can up-and-down motion on the positioning seat 1004, move flexible pole 1002 joint linked valve 1006, linked valve 1006 erection rod 1003 of assembled connection, be equipped with fixed connection's flexure strip 1005 on the erection rod 1003, flexure strip 1005 is installed in positioning seat 1004 inside groove, be equipped with the horizontal pole 1007 through the linked valve 1006 installation in the positioning seat 1004, the horizontal pole 1007 scarf joint moves flexible pole 1002, but move flexible pole 1002 joint gasket 9 when moving flexible pole down.

It is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth herein. The present invention is capable of other embodiments and of being practiced and carried out in a variety of ways. The foregoing variations and modifications fall within the scope of the present invention. It will be understood that the invention disclosed and defined herein extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. The embodiments described herein explain the best modes known for practicing the invention and will enable others skilled in the art to utilize the invention.

Claims

1. The utility model provides an oil recovery sealing device, includes sleeve pipe (1), outer tube (2), sealed inner tube (3), spacing pipe (4), lower casing (5), takes out pipe (6), buffer member (7), hinders position ring (8), gasket (9), eyelidretractor (10), the same and wallboard is equipped with gasket (9), its characterized in that between sealed inner tube (3) the upper and lower opening:

the surface of the inner sealing pipe (3) is correspondingly embedded with the outer pipe (2), an upper sleeve (1) is arranged at the position of an opening end of the inner sealing pipe (3), the inner edge of the upper sleeve (1) is butted with an opening at the top of the outer pipe (2), a drawing pipe (6) which is vertically arranged is arranged in the inner sealing pipe (3), a buffer component (7) which can contact the surface of the drawing pipe (6) is arranged on the outer side of the drawing pipe (6), and a support (10) is arranged at the top end of the inner sealing pipe (3);

the support (10) comprises butt joint rod (1001), movable telescopic rod (1002), installation rod (1003), positioning seat (1004), elastic sheet (1005), linkage valve (1006) and transverse rod (1007), the butt joint rod (1001) is installed on the left front end of the positioning seat (1004), the movable telescopic rod (1002) capable of moving up and down is arranged on the positioning seat (1004), the movable telescopic rod (1002) is connected with the linkage valve (1006), the linkage valve (1006) is connected with the installation rod (1003) in an assembling mode, the elastic sheet (1005) fixedly connected is arranged on the installation rod (1003), the elastic sheet (1005) is installed in an inner groove of the positioning seat (1004), the transverse rod (1007) installed through the linkage valve (1006) is arranged in the positioning seat (1004), the transverse rod (1007) is embedded in the movable telescopic rod (1002), and the sealing sheet (9) can be connected when the movable telescopic rod (1002) moves down.

2. The oil recovery sealing apparatus of claim 1, wherein: the bottom side of the position blocking ring (8) is provided with a buffer component (7) which can be movably connected.

3. The oil recovery sealing apparatus of claim 1, wherein: and a limiting pipe (4) with an unchanged installation position is arranged below the outer pipe (2) at intervals.

4. The oil recovery sealing apparatus of claim 1, wherein: the lower sleeve (5) is arranged on the butt joint section of the sealed inner pipe (3).

5. The oil recovery sealing apparatus of claim 1, wherein: the buffer component (7) is arranged in the inner cavity space formed by the lower sleeve (5).

6. The oil recovery sealing apparatus of claim 1, wherein: the inner cavity of the limiting pipe (4) is provided with a position blocking ring (8) arranged around the wall plate of the limiting pipe.